XML 53 R35.htm IDEA: XBRL DOCUMENT v3.22.0.1
Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts
Schedule II—Valuation and Qualifying Accounts
TRANSUNION

(in millions)Balance at
Beginning of
Year
Charged to
Costs and
Expenses
Charged to
Other
Accounts
DeductionsBalance at
End of
Year
Allowance for deferred tax assets:
Year ended December 31,
2021$65.7 $3.8 $14.4 $(13.1)$70.8 
2020$53.3 $12.6 $3.7 $(3.8)$65.7 
2019$51.9 $14.1 $— $(12.7)$53.3